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243072 (2007 HH3)
Classification: Main-belt Asteroid          SPK-ID: 2243072
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06613780068362554 4.9215e-08  
a 2.743023257812951 2.2955e-08 au
q 2.561605732317168 1.4172e-07 au
i 4.8973359877285 5.8856e-06 deg
node 200.1305236063402 5.1109e-05 deg
peri 301.2480076215666 6.6023e-05 deg
M 24.13924933485016 3.9845e-05 deg
tp 2458889.233629499140
(2020-Feb-09.73362950)
0.00018394 TDB
period 1659.367813168917
4.54
2.083e-05
5.703e-08
d
yr
n .2169500921634144 2.7234e-09 deg/d
Q 2.924440783308733 2.4474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      6564 days (17.97 yr)  
   first obs. used      2002-02-11  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55974  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:16:31  

Additional Information
 Earth MOID = 1.57807 au 
 Jupiter MOID = 2.08656 au 
 T_jup = 3.341 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO413137  
diameter diameter 3.683 km 1.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243072 (2007 HH3)          Discovered 2007-Apr-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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